package/rtl8723bu: bump to version 19b4bdc05483a1e79a4f955a80f8f72cdd5dedc3

This version fixes a bug that prevents the user from switching from one
access point to another.

Signed-off-by: Doug Brown <doug@schmorgal.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 89211450c68df76f3b850c651733c86fb02b40d6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/rtl8723bu/rtl8723bu.hash

@@ -1,2 +1,2 @@
 # Locally computed
-sha256  4c7314dccebda1e55ec8dcf0d5ca8915c2490d17a9f56923f25e6e0e945c10cc  rtl8723bu-9ce1c38439f4f574bb7adaf33949835c25536a28.tar.gz
+sha256  1cd658742ce10b21c92877e09cecc98880680d5f150de3845553005abc542977  rtl8723bu-19b4bdc05483a1e79a4f955a80f8f72cdd5dedc3.tar.gz

package/rtl8723bu/rtl8723bu.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RTL8723BU_VERSION = 9ce1c38439f4f574bb7adaf33949835c25536a28
+RTL8723BU_VERSION = 19b4bdc05483a1e79a4f955a80f8f72cdd5dedc3
 RTL8723BU_SITE = $(call github,lwfinger,rtl8723bu,$(RTL8723BU_VERSION))
 RTL8723BU_LICENSE = GPL-2.0, proprietary (*.bin firmware blobs)